171754-63-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171754-63-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,7,5 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 171754-63:
(8*1)+(7*7)+(6*1)+(5*7)+(4*5)+(3*4)+(2*6)+(1*3)=145
145 % 10 = 5
So 171754-63-5 is a valid CAS Registry Number.